AIR SUCTION SYSTEM OF BUILDING

摘要

PURPOSE: An air suction system of a building is provided to supply fresh air into a room all the time without leaking out hot or cold air in the room in a process of supplying outdoor air into the room. CONSTITUTION: A ventilator(2), a filter(3) and a heater(4) are mounted inside a pipe(1). The heater and the ventilator are connected to a power supply, and a heat insulating unit is formed on the outer wall of the pipe. The pipe is mounted at a position having fresh air in a building. If the ventilator is operated, the pipe is automatically opened. The heater is used to prevent a warm room from losing heat if a cold wind blows into the room in winter. The heater is connected with an additional power supply or converted by a switch to blow a hot wind. The fresh air treated by the ventilator, the filter and the heater blows into a room. Thereby, the room environment is improved.